Robert E. Keister

Leo P. Hassen

Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

D. C. Bogart Jr.

Bogart worked in the United States Engineer District Office.

Milton G. Hendrickson

Eufaula George

Eufaula George worked for the Tennessee Eastman Corporation at the Y-12 Plant.